HP 4275A MANUAL PDF

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This manual may contain references to HP or Hewlett-Packard. Please note that Hewlett-. Packard’s former test and measurement, semiconductor products and. A. • Test frequencies – 10 kHz to 10 MHz. • Test signal level – 1 mV to 1 V rms. • % basic AUTO MANUAL DOWN UP. SELF. TEST The A operates over a frequency range of Hz to kHz ually or under HP-IB control. The HP A and HP A Multi-frequency LCR Meters, microprocessor- based impedance . Trigger: internal, external or manual. Measurement terminals.

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General Component Measurements ‘sheet 2 of 3. Residuals Present in Measuring Circuit One of the convenient functions which facilitate ease of operation is the automatic initial control settings performed after the instrument is turned on. Out put measurement data from the A may include two or more spaces in the first part of each string, though each datastring should have only one space.

Set the desired voltage positive or negative into the three digit thumbwheel switch. Measurement accuracies of the A are graphically shown in Figure Change the last note on the page to read: ESR is selected with series circuit mode meas- urement and conductance with parallel circuit mode measure- ment.

Install board assembly A Available measurement range ffiiy be restricted an error message is dis- played on unuseable ranges. This pushbutton en- hances measurement resolution by av- eraging measured values over every ten measurements. Ranging operation has actuated a range on which the measurement can net be taken at the selected test frequency.

This error message is displayed just after an attempt has been made to set dc bias voltage under the im- proper operating conditions outlined above. General information is not specifications but is typical characteristics included as additional information for the operator. Two A delta key functions excute capacitance, inductance, resistance, and impedance devia- tion measurements.

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DC Bias Connector For connecting the sample to be tested, the A employs measurement termi- nals in a four terminal pair configuration which has a significant measuring advantage for component parameter measurements requir- ing high accuracy in the high frequency region. Two extra frequencies are also optionally available along with Op- tion ZERO offset adjustment with a test fixture whose useable frequency range is no as broad as the instrument’s – e.

The A can be installed in a rack and be operated as a component of a measure- ment system.

Index of /~kurt/manuals/manuals/HP Agilent

The figure shows sample circuitry appropriate to A appli- cations. To use thii supplement 1. Trigger lamp will begin to fl ash. Mqnual on the title page of this manual is a microfiche part number. Polarities of the dc biases normally applied to the sample as well as connections of the measuring circuit are shown in the table.

These measurement errors can not be fully elimi- nated by the offset adjustment which permit compensating for residual factors inherent in the test fixture used. Remove adhesive-backed trim strip T from sides at right and left front of instnjment.

This function is useful when performing. Display A and Display B Data 3 – Opening cover disconnects fixture from terminal s. The A display exhibits the correct test result by a left-to-right progression of the figure P as illustrated below: HP-IB Compatibility Other detailed information for panel displays and controls Is covered in paragraphs and those which follow.

4275A LCR METER

For all measurements, a choice of the desired test parameters in flexible combinations is enabled. Use extreme caution when handling, testing, and adjusting. With Option orinternal dc bias voltage is applied to the capa- citor sample.

Performs cyclic operation of internal function tests and displays diagnostic code sets when any ab- normality is detected. Actual measurement error is the sum of the instru- ment error and the error peculiar to the test fixture leads used. Each pushbutton selects a parameter as follows: There is no software solution. Four Terminal Pair Measurement Principle. This 4275aa component measuring instrument, developed by Hewlett-Packard, satisfies the wider measuring requirements for accuracy, speed, flexibility and versatility.

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Variable Test 4275q Measurement sheet 1 of 2 Model 5A Mannual III Figure In the initial permeability region near the origin of the coordinate axesthe magnetization increases gently; thus an inductor operating in this region has a low inductance value. Make all appropriate serial number related changes indicated in the tables below. Such peculiar variations in measured value are frequently observed during the measurement of inductive components which have ferromagnetic cores.

Obviously, if no series resistance or paral- lel conductance is present, the two equiva- lent circuits are identical. The effective resist- ance increases at resonance even if the in- ductor has ideally no resistance at dc.

Full text of “HP: A Operating”

Note On basic 3 digit ranges, the parameter values to be displayed are obtained from reciprocal parameter measurements. The difference in percent de- viation of a measured value from the reference value is displayed by pressing this button. It calls attention to a pro- cediire, practice, condition or the like, which, if not correctly performed or adhered to, could result in injury or death to personnel.

If assistance is needed for se- lecting the correct power cable, contact nearest Hewlett-Packard office, To construct this terminal architecture, connection of a sample to the instrument requires the use of a test fixture or test leads in a four terminal pair configuration design. Next, pressing A or Dimensions: These programs are listed in Table Residuals Present in Measuring Circuit. Table shows available measurement ranges for both the parallel and series circuit measurement modes.